Drill bits
KNSh-110 pneumatic percussion drill bit
Description and application
Heavy-duty pneumatic percussion drill bit designed for low-pressure down-the-hole hammers, such as the P-110 type. Used for drilling wells and blast holes in hard and medium-strength rock with Protodyakonov hardness f = 6–20. The forged body is made of heat-treated high-carbon alloy steel and fitted with tungsten carbide inserts.
Technical specifications
Working diameter
110 mm (on request)
Shank diameter
52 mm (bayonet connection, on request)
Length
177 mm (on request)
Cutting element
Carbide inserts (tungsten carbide)
Material
Heat-treated alloy tool steel
HS code
8207.90.10
Packaging
Individual packaging